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Projectile having a rotating band disposed on the projectile body

  • US 4,803,929 A
  • Filed: 09/03/1987
  • Issued: 02/14/1989
  • Est. Priority Date: 09/03/1986
  • Status: Expired due to Fees
First Claim
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1. A projectile for firing from a gun barrel comprising:

  • a projectile body having radial and longitudinal directions;

    a rotating band disposed on said projectile body and having a width in said longitudinal direction and including at least three band rings;

    one of said band rings being located at each end of said width of said rotating band;

    at least one material receiving grooves in said rotating band to accommodate rotating band material sheared off during passage of said projectile through the gun barrel; and

    at least one pressure relief groove located in a region of said rotating band where said projectile body is subjected to maximum stress in said radial direction, and wherein said pressure relief groove and said material receiving groove each have a width in said longitudinal direction;

    the width of said pressure relief groove being greater than the width of said material receiving groove.

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